Urdu Meanings, Pronounciation and Synonyms:
optic axis
(Pronunciation -تلفظ سنیۓ )
US: 
Slow
Normal
Noun: (optic axes)
Noun: optic axis
| 1. optic axis | |
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In a doubly refracting crystal, the line in the direction of which no double refraction occurs
"a crystal may have either one or two optic axes";
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| 2. optic axis [ Synonyms: principal axis] | |
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A line that passes through the center of curvature of a lens so that light is neither reflected nor refracted
"in a normal eye the optic axis is the direction in which objects are seen most distinctly";
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